.focus {
    img {
        filter: blur(calc(10px)) brightness(.8);
        transform: scale(1.3);
    }

    .all {
        transform: translateY(-60px);
    }

    .all #main-input::placeholder {
        opacity: 0 !important;
    }
}

.start-bx {
    height: 100vh;
    width: 100vw;
    overflow: hidden;

    
    .cover {
        width: 100%;
        height: 100%;
        overflow: hidden;
        position: relative;

        .gray {
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(transparent 0, rgba(0, 0, 0, .5) 100%), radial-gradient(transparent 50%, rgba(0, 0, 0, .5) 150%);
        }

        img {
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            -o-object-fit: cover;
            object-fit: cover;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
            transition: filter .8s, transform .8s;
            -webkit-animation: fade-blur-in 1s cubic-bezier(.25, .46, .45, .94);
            animation: fade-blur-in 1s cubic-bezier(.25, .46, .45, .94);
        }
    }

    .main {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        pointer-events: auto;

        .time-container {
            margin-bottom: 50px;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 20px;
            transform: translateY(-150px);
            color: #fff;
            -webkit-animation: fade-time-in .6s cubic-bezier(.21, .78, .36, 1);
            animation: fade-time-in .6s cubic-bezier(.21, .78, .36, 1);
            transition: transform .3s, opacity .5s, margin-bottom .3s;

            &.focus {
                transform: translateY(-180px);

            }

            .time {
                font-size: 3.5rem;
                font-weight: 700;
                margin: 6px 0;
                text-shadow: 0 0 8px rgba(0, 0, 0, .4);
                transition: transform .3s;

                &:hover {
                    transform: scale(1.08);
                }

                .separator {
                    opacity: .8;
                    font-size: 2.8rem;
                    display: inline-block;
                    margin: 0 5px;
                    transform: translateY(-4px);
                    -webkit-animation: separator-breathe .7s infinite alternate;
                    animation: separator-breathe .7s infinite alternate;
                }

                .amPm {
                    font-size: 1rem;
                    opacity: .6;
                    margin-left: 6px;
                }
            }


            .luna {
                font-size: .9rem;
                opacity: .6;
                text-shadow: 0 0 8px rgba(0, 0, 0, .4);

                .year::after {
                    margin-right: 4px;
                    content: "年";
                }

            }

            .date {
                font-weight: 700;
                font-size: 1.15rem;
                opacity: .8;
                margin: 4px 0;
                text-shadow: 0 0 8px rgba(0, 0, 0, .4);

                .month::after {
                    margin: 0 4px;
                    content: "月";
                }

                .day::after {
                    margin: 0 8px 0 4px;
                    content: "日";
                }

                .week {
                    margin-right: 4px;
                }
            }

        }

        // search input container
        .sea-inp-bx {
            position: absolute;
            display: flex;
            flex-direction: row;
            align-items: center;
            max-width: 680px;
            width: calc(100% - 60px);
            transition: width .35s linear;

            .mask {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
            }

            .all {
                display: flex;
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                height: 42px;
                width: 100%;
                border-radius: 30px;
                color: #fff;
                pointer-events: auto;
                background-color: rgba(0, 0, 0, .25098039215686274);
                -webkit-backdrop-filter: blur(10px);
                backdrop-filter: blur(10px);
                opacity: 1;
                -webkit-animation: fade-up-in .7s cubic-bezier(.37, .99, .36, 1);
                animation: fade-up-in .7s cubic-bezier(.37, .99, .36, 1);
                transition: transform .5s, background-color .5s, opacity .5s;

                .engine,
                .go {
                    cursor: pointer;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    height: 100%;
                    width: 64px;
                    border-radius: 30px;
                    transition: background-color .5s, opacity .5s;

                    &:hover {
                        background-color: rgba(0, 0, 0, .25);
                    }
                }


                #main-input {
                    height: 100%;
                    width: 100%;
                    padding: 0;
                    margin: 0;
                    border: none;
                    outline: none;
                    background: none;
                    font-size: 16px;
                    color: #fff;

                    &::placeholder {
                        color: #fff;
                        text-align: center;
                        opacity: .8;
                        transition: opacity .5s ease;
                    }

                }
                

            }
        }
    }
}

@keyframes fade-blur-in {

    0% {
        filter: blur(0) brightness(1);
        transform: scale(1.4);
    }

    100% {
        filter: blur(0px) brightness(1);
    }
}

@keyframes fade-time-in {
    0% {
        opacity: 0;
    }

    20% {
        opacity: 0;
        transform: translateY(-90px);
    }

    100% {
        opacity: 1;
        transform: translateY(-150px);
    }
}

@keyframes separator-breathe {
    0% {
        opacity: .8;
    }

    70% {
        opacity: .8;
    }

    100% {
        opacity: .2;
    }
}